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Species · Maryland · BBS 2025 Release · 1966–2024

Veery Population Trend in Maryland

All statesForest birds

Veery in Maryland has fallen sharply: down 69% on the route-weighted index since 1968.

-69%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
27Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
58YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Veery Trends in MarylandNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc declinecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Veery has fallen sharply in Maryland: down 69% on the route-weighted index since 1968.

Veery Population Forecast in Maryland

If the recent trend holds, Veery in Maryland is projected to fall about 26% by 2029 — from 0.50 in 2024 to a central estimate of 0.37 (95% range 0.00–0.87). A 5-year backtest shows a typical error of ±14.2%, with 100% of held-out values landing inside the 95% band.

-26%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.37Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.8795% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±14.2%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Veery in Maryland is projected to fall about 26% by 2029 — from 0.50 in 2024 to a central estimate of 0.37 (95% range 0.00–0.87). A 5-year backtest shows a typical error of ±14.2%, with 100% of held-out values landing inside the 95% band.19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20250.400.000.90
20260.390.000.89
20270.380.000.88
20280.380.000.88
20290.370.000.87

Veery Survey Routes in Maryland

Routes recording Veery in Maryland.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Jennings1020241995
Mt Nebo619911969
Norwood319851972
Bachman Mill320241968
Eklo319981973
Finzel320241995
Smithsburg220141975
Olney220081976
Floyd120241966
Vindex120241966
Wolfsville120241966
Emmitsburg120211979
Silver Spg119891982
Warfieldsbrg120161979
Pleasant Val120071971
Fowblesburg120121967
Randallstown119931967
Van Bibber120111968
Beltsville119801980
Earlton120242024
Theodore119841979
Northeast119921970
Steyer120191996
Accident 2120242018
Accident120171992

Veery Population Trend in Other States

alabamaalaskacoloradoconnecticutdelawaregeorgiaidahoillinoisindianakentuckymainemassachusettsmichiganminnesotamontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooregonpennsylvaniarhode-islandsouth-dakotatennesseeutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.